1861986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 4359168

約数和(自身を除く): 2497182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1031, 1806, 2062, 3093, 6186, 7217, 14434, 21651, 43302, 44333, 88666, 132999, 265998, 310331, 620662, 930993, 1861986]

約数ペア:

[(1, 1861986), (2, 930993), (3, 620662), (6, 310331), (7, 265998), (14, 132999), (21, 88666), (42, 44333), (43, 43302), (86, 21651), (129, 14434), (258, 7217), (301, 6186), (602, 3093), (903, 2062), (1031, 1806)]